Company lists · Data verified August 2026

Top 21 Ecological consulting firms based in Poland

There are 104 ecological consulting firms headquartered in Poland (RevenueBase, August 2026). RevenueBase tracks 390 professional contacts across them, including 104 with verified work emails and 13 with mobile numbers. Warszawa is the largest hub.

This list covers ecological consulting firms headquartered in Poland, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

104Companies
390Contacts tracked
104Verified emails
13Mobile numbers
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The 21 largest ecological consulting firms based in Poland

Ranked by team size
Top 21 of 104 ecological consulting firms based in Poland, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#CompanyHQEmployeesContactsVerified emails
1Antea Group PolandGdansk51-2007250
2Lion EnvironmentalWarsaw11-50125
3EHS ConsultingGdansk11-50101
4Ekologus Sp. Z O.OBielsko-Biala1-1086
5MaruszkinWarsaw1-1074
6SUDEWarszawa1-1073
7ECO RGS Sp. Z O.O. Sp.KRozalin1-1065
8Eko-ProjektPoznan11-5064
9Deep ECOPoznan1-1052
10SMD GroupWroclaw11-5042
11Beadvised InitiativeWarszawa1-1042
12ProhabitatKrakow1-1041
13Packman Sp. Z O.OLajski11-5031
14Inżynieria PRO EKO Sp. Z O.OBielsko-Biala11-5031
15Zero Waste Consulting Sp. Z O.OWarszawa11-5031
164enviKrakow1-1031
17Biuro Rzeczoznawstwa I Ekonomii Środowiska CodexSroda Wielkopolska1-1022
18Green Coalition Sp. Z O.OKrakow1-1022
19GOZ WorldWarszawa1-1021
204-Enviro Projektowanie I Doradztwo W Ochronie ŚrodowiskaSzczecin1-1011
21Vita ArborSzczytno1-1011

Showing 21 of 104 ecological consulting firms based in Poland

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Ecological consulting firms based in Poland at a glance

As of Aug 28, 2026
1-10Median size (employees)
WarszawaLargest hub · 17 HQs
13Contacts with mobile numbers
0Emails re-verified in last 30 days

Companies by employee count

1-10
75
11-50
22
51-200
4

Ecological consulting firms by metro

MetroCompanies
Ecological consulting firms in Warszawa17
Ecological consulting firms in Poznan11
Ecological consulting firms in Wroclaw9
Ecological consulting firms in Gdansk7
Ecological consulting firms in Krakow6
Ecological consulting firms in Warsaw5
Ecological consulting firms in Lodz3

How this list was built

Source
The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion
Companies whose own business descriptions match “ecological consulting firms”, with match quality audited by blind human judging, and headquartered in Poland.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Contact records re-verify on a rolling cadence; 0 contacts on this list were re-verified in the last 30 days.
Refresh
Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many ecological consulting firms are there based in Poland?

There are 104 ecological consulting firms headquartered in Poland as of August 2026 (RevenueBase).

What is the largest company on this list?

Antea Group Poland, headquartered in Gdansk, tops this list with the largest team on record.

Which city has the most ecological consulting firms?

Warszawa leads with 17 headquartered companies, followed by Poznan (11) and Wroclaw (9).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 104 verified decision-maker contacts tracked across these 104 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph, the same data that powers RevenueBase's B2B data products and the free research portal.